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What are the skeletal structure of the the following?
1.(CH3)2CHCH2CH2CH(CH3)2
2.CH3CH(Cl)CH(OH)CH3
3. (CH3)3C(CH2)4CH2CH3
4. C5H5N
5. Limonene
6. CH3(CH2)2C(CH3)2CH(CH3)CH(CH3)CH(Br)CH3
Please I really need this one. Thank you